Snap Inc., the maker of popular messaging app Snapchat, could be using data it collects on users’ facial expressions to infer their emotions. Mozilla is demanding transparency about this potential use of sensitive personal data. Will you join the call asking Snap for better disclosure?

Add your name

If you’re one of more than 200 million daily Snapchat users — or even if you only use the app occasionally — you know how entertaining it can be to put on a funny face filter and send your friends video or pictures. The trouble is, it’s not clear if the company is capturing or using facial data from people like you to infer your emotions.